Examples of using "портится" in a sentence and their english translations:
The weather is turning nasty.
Tom's eyesight is deteriorating.
Does milk spoil quickly?
Honey doesn't spoil.
The weather is declining again.
Raw fish easily goes bad.
Too much smoking tends to injure the voice.
Milk doesn't last long in warm weather.
This meat stays good in cold weather.
Food goes bad easily in this season.
When the food is bad, it's a real letdown.
In summer meat easily goes bad; you must keep it in the refrigerator.